Fan cage



FIG. 1 is a front elevation view of a fan cage, showing my new design;

FIG. 2 is a rear elevation view therof;

FIG. 3 is a left side elevation view thereof; the right side being a mirror image of that shown;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a pictorial view thereof.

The broken-line showing of environmental structure in FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a "fan cage," as shown and described. 